VULNERABILITY INTELLIGENCE
CVE-2021-20320
CVSS score5.5 MEDIUM
EPSS probability0.26%
CISA KEVNot currently listed
Published2022-02-18
Last modified2026-10-08
CVSS vectorCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N
Description
A flaw was found in s390 eBPF JIT in bpf_jit_insn in arch/s390/net/bpf_jit_comp.c in the Linux kernel. In this flaw, a local attacker with special user privilege can circumvent the verifier and may lead to a confidentiality problem.
Weakness classification
- secalert@redhat.com: CWE-200
- nvd@nist.gov: NVD-CWE-Other
Primary references
- secalert@redhat.com — Issue Tracking, Third Party Advisory
- secalert@redhat.com
- af854a3a-2127-422b-91ae-364da2661108 — Issue Tracking, Third Party Advisory
- af854a3a-2127-422b-91ae-364da2661108